EXCLUSIVE: Fox is taking a fresh start on A Bittersweet Life, with Michael B. Jordan attached to star and Jennifer Yuh Nelson to direct the action-thriller remake of the cult classic 2005 Korean film. Jordan will play a mobster whose longtime loyalties to his crime family are challenged when his boss orders him to kill a mistress he’s recently grown close to. The filmmakers see this as a high-concept, character-driven genre film with franchise potential. 21 Laps’ Shawn Lev…